Kingfisher Chart.
St. Ives, Huntingdon : Imray, Laurie, Norie & Wilson,
1967.
Depths shown by contours and soundings.
Also shows "Decca readings of reported obstructions."
KW 159-2A. Papa Bank -- KW 159-2C. North Orkneys to Papa Bank -- KW 159-3A-D. West Orkneys (4 sheets)